Andriy Portnov, ex-aide to pro-Russia former president, was dropping off children when he was targeted by gunmen

Unidentified gunmen have shot and killed a former Ukrainian politician, Andriy Portnov, outside a school in an upmarket suburb of Madrid.

The killing of Portnov, who had worked as a senior aide to Ukraine’s pro-Russia former president, Viktor Yanukovych, took place on Wednesday morning outside the American School of Madrid in Pozuelo de Alarcón.